Lock



FIG. 1 is a front perspective view of a lock of the new design;

FIG. 2 is a top plan view of the lock of FIG. 1;

FIG. 3 is a bottom plan view of the lock of FIG. 1;

FIG. 4 is a front elevational view of the lock of FIG. 1;

FIG. 5 is a rear elevational view of the lock of FIG. 1;

FIG. 6 is a right side elevational view of the lock of FIG. 1; and,

FIG. 7 is a left side elevational view of the lock of FIG. 1.

The portions of the Figures shown in broken lines are for illustrativepurpose only and form no part of the claimed design.

CLAIM I claim the ornamental design for a lock, as shown and described.